Product comparison · 2 speakerphones

Dell SL525 speakerphone Universal Black vs Lenovo 4Y71Q47766 speakerphone PC Bluetooth Black

23specifications compared
16differ
7identical
25known for one product only

Key differences

Device type
- SL525 speakerphone Universal Black:Universal
- 4Y71Q47766 speakerphone PC Bluetooth Black:PC
Cable length
- SL525 speakerphone Universal Black:0.75 m
- 4Y71Q47766 speakerphone PC Bluetooth Black:2 m
International Protection (IP) code
- SL525 speakerphone Universal Black:IP64
- 4Y71Q47766 speakerphone PC Bluetooth Black:IP54
Windows operating systems supported
- SL525 speakerphone Universal Black:Yes
- 4Y71Q47766 speakerphone PC Bluetooth Black:Windows 10, Windows 11
Sensitivity
- SL525 speakerphone Universal Black:86 dB
- 4Y71Q47766 speakerphone PC Bluetooth Black:81 dB
Frequency range
- SL525 speakerphone Universal Black:90 - 20000 Hz
- 4Y71Q47766 speakerphone PC Bluetooth Black:20 - 20000 Hz
Microphone frequency
- SL525 speakerphone Universal Black:100 - 14000 Hz
- 4Y71Q47766 speakerphone PC Bluetooth Black:150 - 7000 Hz
Number of microphones
- SL525 speakerphone Universal Black:4
- 4Y71Q47766 speakerphone PC Bluetooth Black:8

Side by side

Differences highlightedShow differences only

Comparison of SL525, 4Y71Q47766
48 specifications	A Dell SL525 speakerphone Universal Black Model SL525 View product	B Lenovo 4Y71Q47766 speakerphone PC Bluetooth Black Model 4Y71Q47766 View product
Features5 differ
Device typeDiffers	Universal	PC
AutoKnown for one	Unknown — not stated by the source	No
Product colour	Black	Black
Portable	Yes	Yes
Noise cancelingKnown for one	Unknown — not stated by the source	Yes
Cable lengthDiffers	0.75 m	2 m
LED indicatorsKnown for one	Unknown — not stated by the source	Yes
On/off switchKnown for one	Unknown — not stated by the source	Yes
International Protection (IP) codeDiffers	IP64	IP54
Windows operating systems supportedDiffers	Yes	Windows 10, Windows 11
Mac operating systems supported	Yes	Yes
CertificationDiffers	Microsoft Teams Zoom	BQB, CB, FCC ID, IC ID, CE RED, JRF, VCCI, NBTC, SIRIM, SRRC, NTC, IMDA, BIS, RCM, OFCA, WPC
Maximum operating distanceKnown for one	30 m	Unknown — not stated by the source
Plug and PlayKnown for one	Yes	Unknown — not stated by the source
Linux operating systems supportedKnown for one	Yes	Unknown — not stated by the source
Loudspeakers2 differ
SensitivityDiffers	86 dB	81 dB
Frequency rangeDiffers	90 - 20000 Hz	20 - 20000 Hz
ImpedanceKnown for one	Unknown — not stated by the source	3 Ω
Driver typeKnown for one	Dynamic	Unknown — not stated by the source
Output powerKnown for one	8 W	Unknown — not stated by the source
Microphone2 differ
Microphone frequencyDiffers	100 - 14000 Hz	150 - 7000 Hz
Number of microphonesDiffers	4	8
Microphone direction typeKnown for one	Omnidirectional	Unknown — not stated by the source
Ports & interfaces1 differ
InterfaceKnown for one	Unknown — not stated by the source	Bluetooth
Connectivity technologyDiffers	Wireless	Wired & Wireless
Bluetooth	Yes	Yes
Bluetooth version	5.3	5.3
USB connector type	USB Type-C	USB Type-C
Power1 differ
Power source type	Battery	Battery
Battery life (max)Known for one	Unknown — not stated by the source	12 h
Battery recharge timeDiffers	2.5 h	4 h
Talk timeKnown for one	12 h	Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	0 - 60 °C
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	0 - 95%
Battery1 differ
Battery technologyKnown for one	Unknown — not stated by the source	Lithium-Ion (Li-Ion)
Battery capacityDiffers	3200 mAh	4215 mAh
Weight & dimensions4 differ
WidthDiffers	125 mm	122.5 mm
DepthDiffers	39 mm	38.5 mm
HeightDiffers	125 mm	122.5 mm
WeightDiffers	355 g	400 g
Packaging dataidentical
Package widthKnown for one	Unknown — not stated by the source	172 mm
Package depthKnown for one	Unknown — not stated by the source	161.5 mm
Package heightKnown for one	Unknown — not stated by the source	77 mm
Package weightKnown for one	Unknown — not stated by the source	740 g
Package typeKnown for one	Unknown — not stated by the source	Box
Packaging contentidentical
QuantityKnown for one	1	Unknown — not stated by the source
Cables includedKnown for one	USB Type-A	Unknown — not stated by the source
Quick start guideKnown for one	Yes	Unknown — not stated by the source

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

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